Gunther, A.1870. Catalogue of the fishes in the British Museum. 8. Catalogue of the Physostomi containing the families Gymnotidae, Symbranchidae, Muraenidae, Pegasidae and of the Lophobranchii, Plectognathi, Dipnoi, Ganoidei, Chondropterygii, Cyclostomata, Leptocardii in the collection of the British Museum. London, xxv+549 p.

Jordan, D. S.; Snyder, J. 0. 1902. Descriptions of two new species of squaloid sharks from Japan. Proc. U.S. natn. Mus., 2S: 79-87.